All SkyWest Airlines flight numbers

SkyWest Airlines’ own profile links its strongest and weakest departures only. This is the complete set: every SkyWest Airlines flight number with enough operating history to clear FlyerIntel’s publishing bar, still flying its current route, July 2023 – August 2026.

SkyWest Airlines has 81 flight numbers with enough history to judge, on 50 routes. The busiest is OO4796 (LAX → SBA) with 1,134 operations.

Among the 12 with at least 1,000 operations, OO3743 (SAN → LAX) arrives on time most often (95.2%) and OO5555 (ORD → MKE) least (62.5%).

Numbers leave from 23 airports. LAX has 19, SLC has 11, SEA has 7: 46% of the list between them.

The middle half of the 81 rated numbers arrive on time between 79.9% and 90.6% of the time, with a median of 86.5%.

Every published flight number

81 numbers, ordered by operations recorded on the route each one currently flies.

All SkyWest Airlines flight numbers
Rank	Flight	Route	Operations	On time
1	OO4796	LAX → SBA Los Angeles to Santa Barbara	1,134	83.8%
2	OO3766	LAX → TUS Los Angeles to Tucson	1,091	89.4%
3	OO5402	MKE → ORD Milwaukee to Chicago	1,088	74.9%
4	OO3874	OMA → SLC Omaha to Salt Lake City	1,084	91.4%
5	OO3743	SAN → LAX San Diego to Los Angeles	1,082	95.2%
6	OO3746	LAX → SAN Los Angeles to San Diego	1,078	86.1%
7	OO5762	DEN → SLC Denver to Salt Lake City	1,064	71.0%
8	OO4054	SLC → TUS Salt Lake City to Tucson	1,046	86.8%
9	OO5555	ORD → MKE Chicago to Milwaukee	1,034	62.5%
10	OO3755	LAX → SMF Los Angeles to Sacramento	1,012	94.2%
11	OO3759	LAX → SMF Los Angeles to Sacramento	1,008	88.8%
12	OO3903	SLC → OAK Salt Lake City to Oakland	1,001	91.3%
13	OO5408	SLC → LAX Salt Lake City to Los Angeles	999	90.7%
14	OO4084	SLC → ABQ Salt Lake City to Albuquerque	997	93.5%
15	OO3812	LAX → SMF Los Angeles to Sacramento	997	88.5%
16	OO4110	OMA → DTW Omaha to Detroit	985	91.7%
17	OO4740	MKE → ORD Milwaukee to Chicago	980	74.0%
18	OO3953	PDX → SEA Portland to Seattle	974	84.9%
19	OO3896	SLC → OMA Salt Lake City to Omaha	959	90.8%
20	OO3846	LAX → TUS Los Angeles to Tucson	952	76.4%
21	OO5440	SFO → SNA San Francisco to Santa Ana	950	79.1%
22	OO4720	SLC → DEN Salt Lake City to Denver	946	88.5%
23	OO3693	SLC → BUR Salt Lake City to Burbank	943	92.1%
24	OO4119	LAX → PHX Los Angeles to Phoenix	939	86.5%
25	OO4115	ABQ → LAX Albuquerque to Los Angeles	936	94.5%
26	OO5248	SMF → SFO Sacramento to San Francisco	932	65.6%
27	OO5648	MKE → ORD Milwaukee to Chicago	924	58.7%
28	OO5583	TUS → SFO Tucson to San Francisco	918	82.4%
29	OO4087	LAX → SAN Los Angeles to San Diego	907	83.6%
30	OO3881	SEA → SMF Seattle to Sacramento	906	91.0%
31	OO3802	PDX → SEA Portland to Seattle	873	84.7%
32	OO4057	PHX → LAX Phoenix to Los Angeles	869	95.1%
33	OO5390	SMF → LAX Sacramento to Los Angeles	856	87.9%
34	OO3776	LAX → TUS Los Angeles to Tucson	850	74.1%
35	OO3789	SEA → SJC Seattle to San Jose	849	81.9%
36	OO4091	LAX → ABQ Los Angeles to Albuquerque	828	86.3%
37	OO3745	TUS → SLC Tucson to Salt Lake City	816	97.7%
38	OO3681	BUR → SLC Burbank to Salt Lake City	814	94.3%
39	OO4134	OAK → SLC Oakland to Salt Lake City	809	94.5%
40	OO4125	SEA → SMF Seattle to Sacramento	807	90.6%
41	OO4098	LAX → ABQ Los Angeles to Albuquerque	802	86.9%
42	OO3913	SEA → PDX Seattle to Portland	801	83.5%
43	OO3736	SEA → SJC Seattle to San Jose	799	88.2%
44	OO3717	SLC → TUS Salt Lake City to Tucson	797	91.7%
45	OO5487	DEN → ABQ Denver to Albuquerque	797	90.3%
46	OO4108	LAX → ABQ Los Angeles to Albuquerque	789	88.3%
47	OO3488	SAN → SLC San Diego to Salt Lake City	788	77.9%
48	OO3838	MSP → OMA Minneapolis to Omaha	783	79.9%
49	OO3741	LAS → SAN Las Vegas to San Diego	782	71.0%
50	OO4031	SEA → ONT Seattle to Ontario	749	87.8%
51	OO5799	MKE → ORD Milwaukee to Chicago	749	83.8%
52	OO3948	MSP → OMA Minneapolis to Omaha	746	74.6%
53	OO3398	SMF → SAN Sacramento to San Diego	746	89.5%
54	OO3712	LAX → SMF Los Angeles to Sacramento	745	87.1%
55	OO3359	SAN → SJC San Diego to San Jose	736	83.7%
56	OO3894	LAX → PHX Los Angeles to Phoenix	731	86.8%
57	OO6327	SLC → PHX Salt Lake City to Phoenix	727	90.4%
58	OO4043	SEA → SMF Seattle to Sacramento	722	86.5%
59	OO5430	LAX → SMF Los Angeles to Sacramento	720	88.0%
60	OO3951	LAX → PHX Los Angeles to Phoenix	718	85.1%
61	OO6265	SMF → LAX Sacramento to Los Angeles	714	92.5%
62	OO5834	ABQ → DEN Albuquerque to Denver	713	90.7%
63	OO3889	DTW → OMA Detroit to Omaha	708	75.0%
64	OO3996	IAD → MSP Washington to Minneapolis	704	89.6%
65	OO4649	SBA → LAX Santa Barbara to Los Angeles	700	91.9%
66	OO3494	SFO → SNA San Francisco to Santa Ana	697	75.2%
67	OO4077	LAX → PHX Los Angeles to Phoenix	688	82.2%
68	OO3439	SAN → SMF San Diego to Sacramento	685	71.7%
69	OO3429	SAN → SJC San Diego to San Jose	684	77.1%
70	OO4055	DTW → OMA Detroit to Omaha	679	81.6%
71	OO4163	AUS → BNA Austin to Nashville	675	71.7%
72	OO3715	DTW → OMA Detroit to Omaha	648	71.3%
73	OO6290	PDX → LAX Portland to Los Angeles	642	87.8%
74	OO3410	SAN → SMF San Diego to Sacramento	636	74.6%
75	OO3718	SLC → TUS Salt Lake City to Tucson	621	94.8%
76	OO4146	BNA → AUS Nashville to Austin	619	81.9%
77	OO4129	MSP → IAD Minneapolis to Washington	617	79.4%
78	OO4908	LAX → SMF Los Angeles to Sacramento	614	81.9%
79	OO3918	PDX → SEA Portland to Seattle	611	86.0%
80	OO3706	SLC → OMA Salt Lake City to Omaha	608	86.0%
81	OO4078	LAS → SNA Las Vegas to Santa Ana	607	88.9%

Source: FlyerIntel analysis of US DOT BTS data · July 2023 – August 2026 · A flight number is a slot in a schedule and gets reassigned to different city pairs over time, so each is measured only on the route it currently operates. Numbers with fewer than 600 operations on that route, or last flown more than a quarter ago, are not listed. Schedules change — confirm a departure still operates before booking around it.

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Analysis last recomputed October 26, 2026